Nebraska Senator Won't Seek Re-Election

By

Peter Nicholas

Updated Feb. 18, 2013 7:33 p.m. ET

Sen. Mike Johanns, a first-term Republican from Nebraska, on Monday became the fifth Senate incumbent to say he won't run for re-election in 2014.

"At the end of this term, we will have been in public service over 32 years," Mr. Johanns said in a statement that he and his wife, Stephanie, sent to constituents. "Between the two of us, we have been on the ballot for primary and general elections 16 times and we have...